My favorite airgun of all time is the Diana model 27. It has a number of remarkable features in what amounts to a plain brown wrapper. Perhaps the top feature is the ball bearing sear. Read more about this smoothbore: http://www.pyramydair.com/blog/2014/05/if-i-could-keep-just-one/
The accomplishments of Smith & Wesson are so numerous that it is impossible to understand the history of modern handguns without first understanding the history of Smith & Wesson. Smith & Wesson was an industry leader in 1852 when it was first founded and continues to lead the world today with innovations into the 21st century.